Team

David Aitken

Retired Partner
David has over 35 years of experience practicing exclusively in intellectual property law. He is a seasoned litigator with an...
Read More

Marcus Klee

Managing Partner
Marcus is a seasoned trial and appellate lawyer representing clients in complex intellectual property litigation matter in all areas including...
Read More

Jonathan Stainsby

Partner
Jon is a partner in Aitken Klee’s Toronto office. Jon is recognized by Chambers Global, Lexpert, Benchmark Litigation (Local Litigation Star),...
Read More

Bill Mayo

Counsel
Bill’s practice involves all aspects of intellectual property law, including strategic advice, litigation, including trademark oppositions, providing clearance and validity...
Read More

Lesley Caswell

Partner
Lesley is a partner in Aitken Klee’s Ottawa office specializing in patent issues including patent clearance and validity opinions and...
Read More

Bryan Norrie

Partner
Bryan Norrie is a partner at Aitken Klee LLP in the Ottawa office. Bryan specializes in the litigation of pharmaceutical...
Read More

Scott Beeser

Partner
Scott is a partner in Aitken Klee’s Toronto Office with deep experience in the pharmaceutical and biopharmaceutical sectors. Prior to...
Read More

Jonathan Giraldi

Partner
Jonathan is a trial lawyer with over a decade of experience involving intellectual property infringement and validity proceedings. He works...
Read More

Devin Doyle

Associate
Devin is an experienced trial and appellate lawyer who represents clients in complex intellectual property and international trade litigation. Devin...
Read More

Aleem Abdulla

Associate
Aleem graduated from the University of Toronto Faculty of Law in 2013. He completed his articles at a well-respected national...
Read More

Yaseen Manan

Associate
Yaseen Manan is an associate with Aitken Klee LLP practicing in the area of intellectual property litigation. Yaseen was called...
Read More

Alyssa Gaffen

Associate
Alyssa Gaffen is an associate at Aitken Klee LLP, practicing in all areas of intellectual property and administrative law. Among...
Read More

Mary Murray

Associate
Mary Murray is an associate at Aitken Klee LLP Ottawa. Mary assists with legal research, drafting, and administrative tasks. At...
Read More

Rob Youngson

Associate
Rob Youngson is an associate at Aitken Klee LLP in Toronto. Rob assists with legal research, drafting, and administrative tasks....
Read More

Kevin Voth

Student
Kevin Voth is a student at Aitken Klee LLP Ottawa. Kevin assists with legal research, drafting and administrative tasks. At...
Read More

Dawn Trach

Law Clerk
Dawn is an Intellectual Property Litigation law clerk. Dawn assists with electronic and paper document management, preparation of documents used...
Read More

Jennifer Nahorniak

Law Clerk
Jennifer is law clerk specializing in Intellectual Property litigation matters in a variety of industries. Jennifer provides lawyers with support...
Read More